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// META: script=/resources/test-only-api.js
// META: script=resources/pressure-helpers.js
'use strict';
pressure_test(async (t, mockPressureService) => {
const changes = await new Promise(resolve => {
const observer = new PressureObserver(resolve, {sampleRate: 1.0});
observer.observe('cpu');
mockPressureService.setPressureUpdate('critical', ['thermal']);
mockPressureService.startPlatformCollector(/*sampleRate=*/ 1.0);
});
assert_true(changes.length === 1);
assert_equals(changes[0].state, 'critical');
assert_equals(changes[0].source, 'cpu');
assert_equals(typeof changes[0].time, 'number');
assert_equals(changes[0].factors[0], 'thermal');
}, 'Basic factors functionality test');
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